Meizhi Sun

Probing Internal Dynamics of Spatiotemporal Optical Vortex Strings: Spatiotemporal Attraction and Filament Stretching

Xiuyu Yao, Xuechen Gao, Ping Zhu, Jintao Fan et autres

ABSTRACT Vortex dynamics are intriguing and challenging across multiple physics fields. In optics, customized spatiotemporally structured optical fields, especially spatiotemporal optical vortices (STOV), offer the potential to tailor light via coupled space‐time degrees of freedom. However, the interaction mechanisms between multiple transverse …

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Probing Internal Dynamics of Spatiotemporal Optical Vortex Strings: Spatiotemporal Attraction and Filament Stretching

Xiuyu Yao, Xuechen Gao, Ping Zhu, Jintao Fan et autres

Vortex dynamics are intriguing and challenging across multiple physics fields. In optics, customized spatiotemporally structured optical fields, especially spatiotemporal optical vortices (STOV), offer the potential to tailor light via coupled space-time degrees of freedom. However, the interaction mechanisms between multiple transverse orbital …

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Correction: Multi-GeV electron beam generation via two-stage laser wakefield acceleration

Rashid Ul Haq, Mohammad Rezaei-Pandari, Xinglong Xie, Xiao Yan Liang et autres

The original Article contained errors in Figures 4 and 5 , where Figures 4 and 5 were swapped and published with the incorrect legends. The incorrect Figures 4 and 5 and their accompanying incorrect legends are provided below:

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Comprehensive investigation on the plasma mirror temporal contrast enhancement instrument at SG-II 5PW laser facility

Dongjun Zhang, Ping Zhu, Y. Yi, Jun Xiong et autres

Laser-driven particle acceleration and related laser-matter interaction experiments require an ultrashort pulse laser with high temporal contrast. Here, we presented a plasma mirror (PM) temporal contrast enhancement system implemented at the SG-II 5PW laser facility, with a comprehensive investigation of spatiotemporal properties …

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Multi-GeV electron beam generation via two-stage laser wakefield acceleration

Rashid Ul Haq, Mohammad Rezaei-Pandari, Xinglong Xie, Xiao Yan Liang et autres

Despite considerable progress in multi-stage laser wakefield acceleration (MSLWFA), efficient coupling between stages and the impact of laser-beam injection delay remains open challenges. A two-stage LWFA scheme is demonstrated using particle-in-cell (PIC) simulations, capable of producing multi-GeV electron beams over millimeter-scale propagation …

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Single-shot 3D characterization of spatiotemporal wave packets via a spatiotemporal wavefront sensor (STWFS)

Xiuyu Yao, Ping Zhu, Y. Yi, Zezhao Gong et autres

The advent of spatiotemporal wave packets (STWPs), represented by spatiotemporal optical vortices (STOVs), has paved the way for the exploration in optics and photonics. To date, despite considerable efforts, a comprehensive and efficient practical means to characterize wave packets with such complex …

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Single-shot 3D characterization the spatiotemporal optical vortex via a spatiotemporal wavefront sensor (STWFS)

Xiuyu Yao, Ping Zhu, Y. Yi, Zezhao Gong et autres

The advent of spatiotemporal wave packets (STWPs), represented by spatiotemporal optical vortices (STOVs), has paved the way for the exploration in optics and photonics. To date, despite considerable efforts, a comprehensive and efficient practical means to characterizing wave packets with such complex …

Theoretical analysis of the phase characteristics in few-cycle laser coherent beam combining

Guoli Zhang, Xiao Yan Liang, Xinglong Xie, Rashid Ul Haq et autres

To meet the increasing demand for high-energy (Joule-level) few-cycle pulses in strong-field physics research, coherent beam combining (CBC) presents an effective method to further enhance the power of few-cycle pulse sources. However, due to the broad spectrum and ultrashort pulse duration of …

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Arbitrary Time Shaping of Broadband Low-Coherence Light Based on Optical Parametric Amplification

Yue Wang, Xiaochao Wang, Meizhi Sun, Xiao Yan Liang et autres

Laser–plasma interactions (LPIs) hinder the interaction of high-energy laser pulses with targets. The use of broadband low-coherence light has been proposed to reduce the impact of LPIs. In this study, to improve the time–frequency characteristics of broadband low-coherence optical seeds, we proposed …

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Single-Shot Temporal Contrast Enhancement Measurement of a Plasma Mirror by a Chirped Pulse

Dongjun Zhang, Ping Zhu, Xinglong Xie, Yan Liang et autres

We focused on a single-shot method for directly measuring the temporal contrast enhancement of a single plasma mirror by analyzing the spectrum of a chirped pulse spatiotemporally overlapped with the igniting laser used for generating a plasma mirror. Experimentally, temporal contrast enhancement …

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Three-dimensional spatiotemporal self-referenced characterization of ultrashort pulses using the coherent diffraction imaging technique

Y. Yi, Yingming Xu, Ping Zhu, Xingchen Pan et autres

We proposed a self-referenced technique for measuring the spatiotemporal characteristics of ultrashort pulses using the coherent diffraction imaging. This technique includes the wavelength spatial multiplexing coherent diffraction imaging measurement and the three-dimensional spatiotemporal amplitude and phase reconstruction. In experiment, we verified the …

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Single-shot diagnostics for spatiotemporal laser-plasma evolution by the multi-dimensional encoding (MuDE) holography

Yan Liang, Y. Yi, Dongjun Zhang, Ping Zhu et autres

We proposed a single-shot diagnostic for spatiotemporal laser-plasma evolution by the multi-dimensional encoding (MuDE) holography. It can achieves high and adjustable temporal resolution measurement of three-dimensional plasma distribution without delay scanning. Experimentally, we verified the feasibility of this technique, and the retrieved …

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